字母数字的

User name and Password should be the combination of 6 to 12 alphabetic and numeric letters.

公共用户名和公共密码只能是6-12位的小写英文字母和数字的组合。

A generic name for a device that can store and process numeric and alphabetic in formation.

能存储和处理数字与字母信息的设备的总称。

Do you face the difficulties to remember your various complex alphanumeric passwords and PINs?

你所面临的困难记住您的各种复杂的字母数字密码和个人识别号码？

What you need to do is to type the exact same characters shown in the image (a combination of small English characters and Arabic numbers).

你只需要准确键入图片显示的字符（由英文小写字母和阿拉伯数字的组成的系列字符

The numbers in front of the series of one to three letters stands for the logical device number each tape drive holds.

一到三个字母前的数字代表每个磁带占用的逻辑驱动器号。

Americans can even pay an extra fee to get a special license plate, called a vanity plate , showing a unique combination of letters or numbers they have chosen for themselves.

美国人甚至可以多花一些钱卖一个特殊的车牌号，叫做 vanity plate，以展示他们自选字母或数字的独特组合。

Americans can even pay an extra fee to get a special license plate, called a vanity plate, showing a unique combination of letters or numbers they have chosen for themselves.

美国人甚至可以多花一些钱卖一个特殊的车牌号，叫做vanity plate，以展示他们自选字母或数字的独特组合。抬高踩低，奉和逢迎，是人性。人不为己，天诛地灭，是真理。人为财死，鸟为食亡，是事实。

Authors would like to thank Eugeny Rodichev for helpful discussions. Comments and bug reports are welcome .

标签是一个字母数字和下划线字符组成的序列（比如，在 C locale 设置里头，字符 A-Za-z0-9_ 都是允许的）。

What do all those alphanumeric codes printed on the tire sidewalls mean, anyway?

怎么所有这些字母数字代码印载于轮胎sidewalls的意思是，无论如何？

What do all those alphanumeric codes printed on the tire sidewalls mean, anyway?

怎麼所有这些字母数字代码印载於轮胎sidewalls的意思是，无论如何？

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。